Quarterly report pursuant to Section 13 or 15(d)

Income Taxes - Additional Information (Detail)

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Income Taxes - Additional Information (Detail) - USD ($)
 3 Months Ended 9 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Dec. 31, 2023
Income Taxes Disclosure [Line Items]          
Net deferred tax assets $ 3,456,000   $ 3,456,000   $ 4,777,000
Net deferred tax asset 3,749,000   3,749,000   5,034,000
Net deferred tax liabilities relating to non-controlling interests 96,000   96,000    
Current tax expense 356,000 $ 935,000 2,092,000 $ 2,522,000  
Corporate tax expense 175,000   1,471,000    
Deferred tax expense 740,000 457,000 1,493,000 1,579,000  
Provision for income taxes 1,096,000 1,392,000 3,585,000 4,101,000  
Income tax expense (benefit) for discrete items 0 0 $ 0 0  
Income tax settlement     The amount recognized is measured as the largest amount of benefit that is greater than 50% likely of being realized upon ultimate settlement.    
Valuation allowance for net operating losses of foreign subsidiary 268,000   $ 268,000   141,000
Non-controlling Interest          
Income Taxes Disclosure [Line Items]          
Current tax expense 59,000 90,000 203,000 250,000  
Deferred tax expense 4,000 1,000 12,000 17,000  
Provision for income taxes 63,000 $ 91,000 215,000 $ 267,000  
Silvercrest L.P          
Income Taxes Disclosure [Line Items]          
Net deferred tax liability 293,000   293,000   254,000
Corporate tax expense 181,000   621,000    
Silvercrest Financial Services Inc          
Income Taxes Disclosure [Line Items]          
Net deferred tax liability 1,000   1,000   $ 3,000
Corporate tax expense $ 0   $ 0